Be sure that Minitab knows where to find your downloaded macro. Choose . Under Macro location browse to the location where you save macro files.
If you use an older web browser, when you click the Download button, the file may open in Quicktime, which shares the .mac file extension with Minitab macros. To save the macro, right-click the Download button and choose Save target as.
Your predictors must be in consecutive columns like c1 - c3 or c9 - c25 for the macro to run properly.
Suppose your response data is in C1, and your predictors are in C2 - C5.
%regjack C1 C2 - C5
Click Run.